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====== Linux Cheat Sheet ======

{{topic>linux -archived}}

===== Generate Notes =====

  * Use ''apt-get'' in scripts, ''apt'' manually in interactive terminals.

===== System Shortcuts =====

| Ctrl + Alt + Esc | Restart Cinnamon desktop (X11 only) |

===== Bash Shortcuts =====

| Ctrl + l | Clear screen |
| Ctrl + a | Move to start of line |
| Ctrl + e | Move to end of line |
| Ctrl + ← | Move backwards by a word |
| Ctrl + → | Move forwards by a word |
| Alt + Backspace | Delete a word (backwards) |
| Ctrl + Delete | Delete a word (forwards) |
| Ctrl + u | Delete from cursor to start of line |
| Ctrl + k | Delete from cursor to end of line |
| Ctrl + a, ctrl + k | Delete line |
| Ctrl + u, ctrl + k | Delete line (alternative) |
| Ctrl + p | Get previous command |
| Ctrl + n | Get next command |
| Ctrl + r | Search command history |

===== Bash Commands =====

| ''sudo apt-get update'' \\ ''sudo apt-get install -y dotnet-sdk-7.0'' | Install Dotnet on WSL. |
| ''ll'' or ''ls -alF'' | List files properly. |
| ''sudo apt update && sudo apt upgrade'' | Update the system. |
| ''sudo -i'' | Make me root for the rest of the session. |
|  File System  ||
| ''lsblk -f'' | List block devices — all types of storage devices. |
| ''sudo fsck -y /dev/sda2'' | File system check and repair. |
| ''sudo apt install smartmontools'' \\ ''sudo smartctl -a /dev/sda'' | Check disk SMART status. |
| ''rm -r [directory_name]'' | Delete a directory and everything in it. |
| ''ln -s [target_file] [link_name]'' | Make a symbolic link. |
|  File System - Permissions  ||
| ''sudo chmod +x /usr/local/bin/sign-kernel'' | Make a file executable. |
| ''sudo chmod a+rwx /DirectoryName'' | Give everyone access. |
| ''sudo chown -R stephen /DirectoryName'' | Change ownership recursively. |
| ''sudo chown -R stephen:stephen /DirectoryName'' | Change group recursively. |
|  Groups  ||
| ''getent group'' or ''cat /etc/group'' | List groups and who is in them. |
| ''groups'' or ''id -nG'' | List groups //I// am in. |
| ''groups [user]'' | List groups //I// am in. |
| ''sudo usermod -aG [group] [user]'' | Add user to a group (restart terminal to take effect). |
|  Disk Mounting  ||
| ''df -hP'' | List mount points. |
| ''fuser -cu /dev/sda3'' | List processes using mount point. |
| ''fuser -k /backup'' | Kill all process using mount point. |
| ''umount /dev/sda3'' or ''umount /media/stephen'' | Unmount. |
| ''mount /dev/vdb1 /new_backup'' | Mount. |
| Edit ''/etc/fstab'' | Make mount point permanent. |
|  Networking  ||
| ''sudo systemctl restart NetworkManager'' \\ ''sudo systemctl restart systemd-networkd'' | Restart the network. |
|  Diagnostic Info  ||
| ''mokutil --sb-state'' | SecureBoot status. |

===== Run commands on Bash start up =====

Edit your ''.bashrc'' file, it will be ''\\wsl.localhost\Ubuntu\home\<you>\.bashrc'', append whatever you want to the bottom.

{{tag>linux}}